How many movies have Mitch Marcus and Susan McKenna collaborated on?

They have worked on 2 movies together! Their first movie together was Knocking on Death's Door (1999) while their highest rated movie together was The Haunting of Hell House (1999). They have not worked together since The Haunting of Hell House (1999).

Role
Professor Benest
Crew
Casting Assistant
Crew
Director
Crew
Screenplay